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#pragma once
#include "StarWidget.hpp"
#include "StarButtonWidget.hpp"
#include "StarImageWidget.hpp"
namespace Star {
class ScrollThumb : public Widget {
public:
ScrollThumb(GuiDirection direction);
virtual ~ScrollThumb() {}
void setDirection(GuiDirection direction);
void setImages(ImageStretchSet const& base,
ImageStretchSet const& hover = ImageStretchSet(),
ImageStretchSet const& pressed = ImageStretchSet());
void setImages(Json const& images);
bool isHovered() const;
bool isPressed() const;
void setHovered(bool hovered);
void setPressed(bool pressed);
void mouseOver() override;
void mouseOut() override;
Vec2U baseSize() const;
protected:
virtual void renderImpl() override;
private:
void readDefaults();
GuiDirection m_direction;
ImageStretchSet m_baseThumb;
ImageStretchSet m_hoverThumb;
ImageStretchSet m_pressedThumb;
bool m_hovered;
bool m_pressed;
};
typedef shared_ptr<ScrollThumb> ScrollThumbPtr;
class ScrollBar : public Widget {
public:
ScrollBar(GuiDirection direction, WidgetCallbackFunc forwardFunc, WidgetCallbackFunc backwardFunc);
void setButtonImages(Json const& images);
int trackSize() const;
float sizeRatio() const;
virtual Vec2I size() const override;
float scrollRatio() const;
Vec2I offsetFromThumbPosition(Vec2I const& thumbPosition) const;
ButtonWidgetPtr forwardButton() const;
ButtonWidgetPtr backwardButton() const;
ScrollThumbPtr thumb() const;
protected:
void drawChildren() override;
private:
GuiDirection m_direction;
ButtonWidgetPtr m_forward; // up or right, makes the offset higher
ButtonWidgetPtr m_backward; // down or left, makes the offset lower
ScrollThumbPtr m_thumb;
ImageStretchSet m_track;
};
typedef shared_ptr<ScrollBar> ScrollBarPtr;
class ScrollArea : public Widget {
public:
ScrollArea();
void setButtonImages(Json const& images);
void setThumbImages(Json const& images);
RectI contentBoundRect() const;
Vec2I contentSize() const;
Vec2I areaSize() const;
void scrollAreaBy(Vec2I const& offset);
Vec2I scrollOffset() const;
Vec2I maxScrollPosition() const;
bool horizontalScroll() const;
void setHorizontalScroll(bool horizontal);
bool verticalScroll() const;
void setVerticalScroll(bool vertical);
void setUpdatesChildren(bool slop);
virtual bool sendEvent(InputEvent const& event) override;
virtual void update(float dt) override;
protected:
void drawChildren() override;
private:
int advanceFactorHelper();
int m_buttonAdvance;
int64_t m_advanceLimiter;
Vec2I m_scrollOffset;
Vec2I m_lastMaxScroll;
Vec2I m_contentSize;
bool m_dragActive;
GuiDirection m_dragDirection;
Vec2I m_dragOffset;
ScrollBarPtr m_vBar;
ScrollBarPtr m_hBar;
ImageWidgetPtr m_cornerBlock;
bool m_horizontalScroll;
bool m_verticalScroll;
bool m_updatesChildren;
};
typedef shared_ptr<ScrollArea> ScrollAreaPtr;
}
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